Driving mechanism.



D. TAYLOR &'B. E. GONNELLY. DRIVING MECHANISM.

APPLICATION rum) mum, 1913.

1,109,088, 7 Patented Sept. 1, 1914.

ELECTfi/C MOTOR.

UNITED STATES PATENT OFFICE.

DAVID H. TAYLOR AND BENJAMIN E. CO'NNELLY, OF WHEELING, WEST VIRGINIA.

DRIVING MECHANISM.

Specification of Letters Patent.

Patented Sept. 1, 1914.

Application filed March 3, 1918. Serial No. 751,862.

To all whom it may concern:

Be it known that we, DAVID H. TAYLOR and BE JAMIN E.-CONNELLY, citizensof the United States, residing at \Vheeling, in the county of Ohio andState of West Virginia, have invented certain new and useful 1mprovements in Driving Mechanism, of which the following is aspecification.

This invention relates to bufiing, polishing, and grinding machines, andhas for its object the provision of a compact and simply arrangedmachine which may be readily controlled and guided by hand and whichwill operate economically and efficiently.

A,further object of the invention is to provide a machine of simple'formwhereby a plurality of bufling wheels maybe actuated simultaneously.

The several objects of the invention are attained in such a mechanism asis illustrated in the accompanying drawings, and the invention consistsin certain novel features which will be hereinafter first fullydescribed and then more particularly pointed out in the appended claims.

The annexed drawing shows a plan view partly broken away and in sectionof an apparatus embodying our present invention.

In carrying out our invention, we employ a casing'l in which is housedan electric motor, the cable 2 by which the motor is connected to asource of electric energy-be ing extended through the rear end of the.casing. The casing.

is preferably constructed in two duplicate members secured together byscrews or similar fastening devices 3 and provided with lateral offset-sor wings 4 having slots 5 extending longitudinally thereof to constitutehandles whereby the casing may be grasped and directed over the surfaceto be treated. A driving shaft 6 extends through one end of the casingand'is connected within the casing directly to the motor which may be ofany preferred or convenient type. The casing is provided with anextension 7 constituting a gear casing and within the said gear casing abeveled gear wheel, indicated at 8 in dotted lines, is fixed upon thedriving shaft. Stub-shafts 9 and 10 are journaled in the bearings 11provided therefor on the sides of the gear casing, as clearly shown.Beveled gear. wheels, indicated in dotted lines at 12,

' are fitted on the inner ends of the stubonce, are caused to rotate inopposite direc-' tions through the described gearing. The outer end ofthe driving shaft 6 is threaded, as shown at 14, and upon the saidthreaded I end of the shaft is engaged the hub 15 of a bufling wheel 16.

It will be readily seen from the foregoing description, taken inconnection with the accompanying drawings, that we have provided a verysimple and compactly arranged mechanism whereby a plurality of buflingwheels may be simultaneously operated so that a large surface may bequickly polished. The wheel 16 will operate in a plane at right angles,to the wheels 13 which move in parallel planes but in oppositedirections so that a very high polish may be imparted to the treatedsurface by successively moving the several buffing wheels over the samepor tion of the surface. The maincasing or housing for the motor, beingprovided with a handle on each side, may be manipulated withoutfatiguing the operator and the power is applied directly from the motorto the bufling wheels. The bufiing wheel 16, it will be readily seen, isremovable and a grinding wheel may be substituted therefor when sodesired. The device may also be utilized as a drilling machine bysubstituting for the butting wheel 16 or the grinding wheel a drillchuck in which is held a drill bit, as will be readily understood.

The gear casing or extension has an open top which is normally coveredby a hinged lid. The casing is filled with oil in which the bevel gearsrun so that thorough lubrication will be effected and the lid isconstructed to fit tight against the casing to prevent loss of thelubricant.

What we claim is 1. The combination of a casing having laterallongitudinally extending ofisets on its sides provided with longitudinalslots, a gear casing carried by one end of said first mentioned casing,a motor mounted in the first-mentioned casing, a shaft extending fromsaid motor through the gear casing, shafts journaled in the gear casingand prolateral longitudinally extending ofi'sets on jecting laterallytherefrom, and 'gearing In testimony whereof We aflix our signawithin'said casing eonnecting said shafts tures in presence of two Witnesses.

2. The combination of a casing having DAVID H. TAYLOR. [11's.] its sidesprovided with longitudinal slots, a BENJAMIN CONNELLY' motor within thecasing, a shaft extending Witnesses: from the motor and the casing, andgearing J ENNIE CONNELLY, actuated by the outer end of said shaft.LAURENCE GREEK.

